Acetylene-gas generator.



R. B. ALISON & W. G. ELLIOTT.

AGETYLENE GAS GENERATOR.

APPLIUATION FILED JULY 1, 1909.

951,097, Patented Mar.8,1910.

2 SHEETS-SHEET l.

Q-vihmoow R. B. ALISON & W. G. ELLIOTT AGETYLENE GAS GENERATOR.

APPLICATION FILED JULY 1,1909.

Patented Mar.'8, 1910;

' 2 SHEETS-SHEET 2.

a county of Solano and scribed and claimed. I The objects of theinvention are to pro- UNITED sTAtgas PA TE T" OFFICE.

- RUFUS B. ALISON AND WILLIAM G. ELLIOTT, OF VALLEJO, CALIFORNIA.

ACETYLENE-GAS GENERATOR.

applicationfiletl July 1, 1909. Serial in. 505,481. g

To all whom it may concern:

Be itknown that we, RUFUS B. ALISON and WILLIAM G. ELLro'rr, citizens ofthe United States, residing at Vallejo, in the State of California, haveinvented certain new and useful Improvements in Acetylene-GasGenerators, of

which the following is a specification, reference being hadto theaccompanying drawin s. I

' This invention relates to improvements in acetylene gas generators andconsists of the novel construction, combination and ar-' 1angement ofparts hereinafter fully devide a-simpleand practical generator of thischaracter which will be reliable and safe in operation and from which itwill be im- -possible for any gas to leak.

,The' above and other objects of the invention are attained in itspreferred embodi-.

ment illustrated in the accompanying drawings, in which Figure 1 is avertical sectional view through the improved gas generator; Fig. 2 is aside ,elevation showing the safety outlet pipe in section; Fig. 3 is adetail perspective of the valve; and Fig. 4 is a perspective View of theadjustable tube which closes the safety outlet pipe.

.The invention com rises a water tank 1 preferably of cylin rical formand surrounding, this tank is a cylinder 2,"the .bot-

tom portion of which has an angular flan e' 3 WhlCh is attached to theouter face of t e tank 1 adjacent its bottom so as to form an annularwater sealin chamber lbetween the parts 1, '2, said cham er4 being incommunication with the interior of the tank 1 through openings 5, asclearly shown in Fig. l. 7 r The liquid in the annular s ace or chamber4 forms a seal for a gas bel 6, which latter is in the form of aninverted cylinder and hassecured in its flap top a cylindrical carbidreceptacle or hopper 7. The bell is guided in its sliding movement bymeans of brackets 8 which receive and slide upon-upright guide rods 9secured at their lower ends to the wallor cylinder 2 at diametter hassuspende from it by means of a chain or thelike 11a hook 12' adapted .to

be engagedwith an eye 13 on the carbid rets other end provided which issuflicient to hold the valve 15 closed against the contents of thereceptacle or ceptacle- 6 when the bell is elevated for the purpose ofholding the same in such elevated position while the receptacle 7 isbeing filled. The carbid receptacle or hopper 7 is centrally arranged inthe top of the bell and has a cone-shaped bottom 14 formed-with anopening which provides a seat fora coneshaped .valve 15. The latter, isarranged on the intermediate portion of a stem 16, the upper end ofwhich is pointed and projects into .the carbid in the hopper or holder 7so as toloosen the same when the valve is moved. 7 V 7 The lower end ofthe valve stem 16 is pivoted to a-lever 18 fulcrumed intermediate itsends on a bracket 19 depending from the bottom of the carbid receptacleand having with a weight 20 holder 7. The latter is filled with carbidthrough a centrally arranged opening 21 in its top, said .opening 21being closed by the removable screw plug22 having a grooved flange inwhich latter is a packing ring or gasket 23, as clearly shown in Fig. 1.This construction, it will be noted, effectively prevents gas irornleaking fiom the carbid holder or receptacle. v

24 denotes a; service pipe arranged .vertically'in the tank v1 andsupported rigidly in by means of up er and lower brackets 25. The lowerend 0 the-pipe 24 extends through the wall of the tank, contains acontrolling valve 26 and is in communication with the lower end of asuitable gas filter or purifier 2-7 from the upper end of which latterjects a pipe 28 which supplies the gas to the,

por-

burners- The upper end of the service or supply pipe 24 isbentangularly, as shown at 29, andso disposed-that it forms a trip or stopfor the weighted end 20 of the valve lever 20, whereby when the gas belllowersto a predetermined ,point the enga ement of the "weight 20 withsaid part 29 .o

in"Ij.ig.'1,so that the carbid in the holder or rece tank 30 denotes asafet outlet vertically in the tan 1 and aving its upper end disposed.above the water level therein'and its lower end extending through v thewall-of said'taiik and from thence to the. atmosphere, a drip cook 31being arranged n pipe 30. Ar-

the lowermost .part of'said *Iatent/ed Mar. 8,'1910,

;the pipe willcause the valve to be lowered, as shown ptacle 7 will..drop'into the water in the Lipe arranged v telescope theu'pper openendof the portion of the pip a tube 32 having adgacent to its bottom anopening 33 and its upper ably connected to an operating and adjustingrod 34. The rod 34; slides through a stuliing'b'ox 35 in the top of thebell 6 and has at its ripper or outer end a fingerpiece 36 by means ofwhich latter said-rod may be raised or lowered in the stuffing box toadjust the position of the telescoping tube 32. By reason of theadjustment of the latter it will be seen that the instant the bell risesto a predetermined position the gas within it will escape to theatmosphere, thereby preventing alldanger of explosions due to overgeneration of gas. 1

37 denotes an agitator arranged in the bottom'of the tank 1 and in theformof a shaft having a plurality of crank portions. One end of theshaft 87 extends through a stufiing box 38 and is provided with a crankhandle 39.

4.0 denotes a cleaning out valve or cock through which latter the waterand settlings in the tank may be removed when the agitator 37 isrotated.

41 denotes a filling spout arranged on one side of the wall or cylinder2- adjacentits top.

In operation, it will be seen that as the gas is consumed, the bell 6lowers until the weight 20 is lifted by its contact with the end 29 ofthe service pipe, whereupon the valve 15 will be lowered to openposition, as shown in Fig. 1. When this happens, the carbid falls fromthe holder 6 into the water of the tank and the gas generated from thecarbid collects in the bell and causes the same-to rise, thereby liftingthe weigh-t 20 off of the end 29 of the service pipe so that said weightwill close the valve 15. \Vhen it is desired to refill the carbid holderor receptacle the bell 'is secured inan elevated osition by engaging thehook l2 in'the eye 13, thereby allowing the weight 20 to close valve 15so that little, if any, gas will be allowed to escape into the room orbuilding through the filling opening 21 of the carbid holder. Shouldmore gasbe generated than is consumed the surplus gas Wlll escape to ithrough the pipe 30 the inl the atmosphere stunt the opening 33 in thetelescoping tube passes above the water level in the tank. From theforegoing it will be seen that the construction of the improvedgenerator end closed and suitis such that it "will occup but littlefloor space and will be exceedingly strong and l durable.

The safety escape for an excessive amount I of gas contains no springsor other parts liable to get out of order so that it is exceedinglyreliable in operation.

All parts of the generator are 'so con- 7 structed that it will beimpossible for gas to leak and hence the liability of explosions isreduced to a minimum.

is claimed is:

ator comprising a cylindrical water tank formed with an open top andhavingadjacent its bottom an annular "series otopenings, a' cylindersurrounding the upper portion of the tank and formed at its bottom withan inwardly extending flange united to the wall of the tank at a pointbeneath rising from sa1d cylslidably engaged-with said frame, a carbidholder centrally arranged in the top of'the bell and having an outlet inits bottom, a weight controlled valve to control said outlet opening,brackets projecting inwardly from the wall of the water tank, an uprightgas outlet pipe arranged in the last mentioned brackets and having itsupper end turned outwardly and adapted to be engaged by the weight ofsaid valve, an eye upon thecarbid holder, and a flexibly suspended hook'upon the top of said supporting and guiding frame and adapted to iengage said eye for the purpose set forth.

in testimony whereof we hereuntonflix our signatures in the presence oftwo witnesses.

, RUFUS B. Anson. l WILLIAM G. ELLIOTT. l Witnesses:

F. P. OHARA, l). D. BEAMS.

- Having thus described the invention what porting and guiding Theherein described acetylene gas gener-- said annular series of openings,whereby an over the tank and. open lower end sealed by the 1 inder,brackets upon the top, of the bell and

